How to resolve the algorithm Pi step by step in the Visual Basic programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Pi step by step in the Visual Basic programming language
Table of Contents
Problem Statement
Create a program to continually calculate and output the next decimal digit of
π
{\displaystyle \pi }
(pi). The program should continue forever (until it is aborted by the user) calculating and outputting each decimal digit in succession. The output should be a decimal sequence beginning 3.14159265 ...
Note: this task is about calculating pi. For information on built-in pi constants see Real constants and functions.
Related Task Arithmetic-geometric mean/Calculate Pi
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Pi step by step in the Visual Basic programming language
Source code in the visual programming language
Option Explicit
Sub Main()
Const VECSIZE As Long = 3350
Const BUFSIZE As Long = 201
Dim buffer(1 To BUFSIZE) As Long
Dim vect(1 To VECSIZE) As Long
Dim more As Long, karray As Long, num As Long, k As Long, l As Long, n As Long
For n = 1 To VECSIZE
vect(n) = 2
Next n
For n = 1 To BUFSIZE
karray = 0
For l = VECSIZE To 1 Step -1
num = 100000 * vect(l) + karray * l
karray = num \ (2 * l - 1)
vect(l) = num - karray * (2 * l - 1)
Next l
k = karray \ 100000
buffer(n) = more + k
more = karray - k * 100000
Next n
Debug.Print CStr(buffer(1));
Debug.Print "."
l = 0
For n = 2 To BUFSIZE
Debug.Print Format$(buffer(n), "00000");
l = l + 1
If l = 10 Then
l = 0
Debug.Print 'line feed
End If
Next n
End Sub
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